The second edition of the formerly titled Just Say Know: A Counsellors Guide to Psychoactive Drugs, this indispensable counselling resource provides a practical understanding of psychoactive drug pharmacology and physiology. Rick Csiernik unpacks the risks and therapeutic applications of the most commonly used and misused drug families, including depressants, stimulants, hallucinogens, and psychotherapeutics. This new edition features a wide range of updated research and content addressing the recent rise of opioid, fentanyl, cannabis, novel psychoactive substances, and antipsychotic medication use, as well as the impacts of drug use on sleep and mental health. Two new appendixes are featured summarizing the effects of drugs on pregnancy and interactions drugs may have with certain brain chemicals.The Essential Guide to Psychoactive Drugs in Canada is the perfect addition to any addiction or mental health-related course. User-friendly and highly readable, this resource serves as a guide for service providers to deliver evidence-based care. This text is crucial for counsellors, therapists, instructors, and students looking to acquire an in-depth practical understanding of drug use, medication, and addiction in disciplines such as social work, sociology, pharmacology, health studies, nursing, psychology, and addiction studies.FEATURES:includes quizzes, learning activities, and case studiesfeatures two new appendixes with additional learning materialsuses accessible language suitable for second-year college and first-year undergraduate courses